<template>
  <div>
    <input v-model="changeVal">
  </div>
</template>

<script>
export default {
  data() {
    return {
      changeVal:""
    };
  },
  watch: {
    changeVal(){
      this.$emit("change", this.changeVal)
    }
  },

}
</script>

<style lang="less" scoped>

</style>
